[175750] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Comcast Enterprise Fiber Slow Connection Problem from TW Telecom

daemon@ATHENA.MIT.EDU (Zachary Frederick)
Fri Oct 31 14:33:08 2014

X-Original-To: nanog@nanog.org
From: Zachary Frederick <zcfrederick@gmail.com>
Date: Fri, 31 Oct 2014 14:32:55 -0400
To: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org

We have been having a problem receiving software releases from our =
developer. The releases are typically around 1G in size. The =
developer=E2=80=99s connection is a 100m metro fiber with TW Telecom,  =
our connection is a 25m Comcast Enterprise Fiber.

Our traffic graphs show very little utilization of our connection. =
Typically on average we are at about 7 meg utilization of our 25.

Every other partner that shares in our software development that =
receives the software releases can receive the updates 3-4 times faster =
than we can.

Typically we receive the releases at about 3mbps.

I have tried contacting Comcast Enterprise Tech support, however I=E2=80=99=
ve been told that if I run a speed test from my connection and the test =
runs at the speed we are paying for, there is very little they are =
willing to look into.

Can anyone check on the Comcast Routers on the Tracert below, or is =
there anything that can be throttling this connection between the two =
connections?

Also, our firewall and connection is able to run at the full 25. We have =
no throttling or QOS set to prevent a good connection to our developer. =
For example, we can run a multi-threaded upload, in the middle of the =
night, to Amazon Glacier storage and completely saturate our connection =
when doing so. The firewall and connection is able to handle our full =
bandwidth capacity during that backup.

If there is any other information I can provide to help track this =
problem down, please let me know.

Thanks in advance, everyone!


Trace Route below:




1  (172.16.150.1)  1.143 ms  1.132 ms  1.122 ms                      =20


2  (173.227.204.1)  1.585 ms  1.583 ms  1.574 ms                        =20=



3  chi2-pr1-xe-0-3-0-0.us.twtelecom.net (66.192.245.166)  10.477 ms  =
10.485 ms 10.478 ms                                                      =
               =20


4  x-eth-0-0-4-pe05.350ecermak.il.ibone.comcast.net (75.149.230.141)  =
10.470 ms 10.465 ms  10.457 ms                                           =
              =20


5  he-2-1-0-0-cr01.350ecermak.il.ibone.comcast.net (68.86.86.37)  10.733 =
ms  10.731 ms he-2-0-0-0-cr01.350ecermak.il.ibone.comcast.net =
(68.86.86.33)  12.146 ms

                                                                         =
      =20
6  be-10206-cr01.newyork.ny.ibone.comcast.net (68.86.86.225)  33.202 ms  =
32.144 ms  32.127 ms                                                     =
            =20


7  68.86.91.30 (68.86.91.30)  41.508 ms  41.322 ms  41.599 ms            =
     =20


8  te-0-0-0-1-sur01.greensburg.pa.pitt.comcast.net (69.139.168.26)  =
38.196 ms te-0-0-0-3-sur01.greensburg.pa.pitt.comcast.net =
(162.151.21.82)  44.644 ms =
te-0-0-0-0-sur01.greensburg.pa.pitt.comcast.net (69.139.195.18)  38.266 =
ms           =20


9  (107.1.72.98)  39.781 ms  39.785 ms  39.912 ms           =20=

home help back first fref pref prev next nref lref last post